Intake-manifold heater for inernal-combustion engines.



G. H. FRIIZSCHE. INTAKE MANIFOLD HEATER FOR INTERNAL COMBUSTION ENGINES.

APPLICATION FILED JULY 25 Patented Dec. 30, 1919.

wnmwmomamemamsm UNITED STATES PATEN T OFFICE.

GEORGE H. ERITZSOHE, OF BROOKLYN, NEW YORK, ASSIGNOB T0 TAPLEX CORPORATION, OF BROOKLYN, NEVT YORK, A CORPORATION OF NEW YORK.

INTAKE-MANIFOLD HEATER FOB- INTERNAL-COMBUSTION ENGINES.

Specification of Letters Patent.

Patented Dec. 30, 1919.

Application filed July 25, 1919. Serial No. 313,139.

To all whom it may concern:

Be it known that I, GEORGE H. Fnrrzonn, a citizen of Germany, and resident of the borough of Brooklyn, in the city and State of New York, have invented a new and use ful. Improvement in Intake-Manifold Heaters for Tnternal-Combustion Engines, of which the following is a specification.

This invention relates to improvements in intake manifold heaters for internal combustion engines and has for its object to provide a device which may be attached to the manifold of an internal combustion engine now in common use.

One object is to provide a device adapted to receive a dry fuel which may be easily inserted in or removed from the device without releasing the structure as a whole from the manifold.

Another object is to provide the device with a front door having a fuel holder, which door and holder may be readily removed from the device for the purpose of cleaning or replenishing the fuel holder.

A. still further object is to provide certain improvements in the form, construction and arrangement of the parts whereby the above mentioned and other objects may be effectively attained.

A. practical embodiment of my invention is represented in the accompanying drawings, in which Figure 1 represents a front elevation of my improved device secured to an intake manifold of an internal combustion engine.

Fig. 2 represents a vertical section taken in the plane of the line 1T11 of Fig. 1, looking in the direction of the arrows.

Fig. 3 represents a vertical section taken in the plane of the line III-HI of Fig. 1, looking in the direction of the arrows.

Fig. 4; represents a similar view showing the front door and holder in section and in another position.

Fig. 5 represents a horizontal section taken in the plane of the line V V of Fig. 1, looking in the direction of the arrows, and

Fig. 6 represents a rear elevation of the front door showing the fuel holder attached thereto.

The casing of the device is formed of a strip of sheet metal bent into shape to form two vertical side walls denoted by 12, a top by 8 and a bottom by 4. The side wall 1 is cut away at 5 and 6 to fit over the branches 7 and 8 of the manifold and the side wall 2 is similarly cut away at 9 to straddle the branch 10 of the manifold. The casing is secured to the manifold by means of a bridge 11 which has one end fixed to the side wall 2 and arranged to pass through and extend a slight distance beyond the side wall 1. A back '12 having overlapping edges 13 is held in close proximity to the manifold and side walls 1--2 by means of bolts H passing through the bridge and back and engaging nuts 15. One of the bolts 14L is arranged to engage the extended portion of the bridge and pass through a laterally projectingear 17 on the back 12.

A front door 18 having overlapping edges 19, is arranged to be removably secured to the casing by means of a downwardly proj ecting tongue 20 which is fitted to rock and slide in a slot 21 in the bottom 4 of the easing. The door 18 is held in a closed position in the casing by means of a spring actuated lip 22 which yieldingly engages the top 3, as shown in Fig. 3.

A tubular dry fuel holder 23 having a bottom 24; is fixed to the door 18 by rivets 25, or other suitable means. The walls of the holder are corrugated as shown in Figs. 3, 5 and 6 to provide air spaces around the fuel 26. The walls are also provided with a series of perforations 27 to admit air into the holder. A jacket 28 of porous material, such for instance as asbestos paper, is arranged on the interior of the holder to prevent loose particles of the fuel from passing from the holder.

To allow a current of air to pass through the casing I provide the bottom t with a series of holes 29, and arrange a; flue 30 between the top 3 and the upper end of the back 12. The products of combustion from the fuel will also escape through the fine 30.

To recharge the fuel holder 23, the door 18 is swung to the position shown in Fig. 1, thus giving easy access to the holder. After the fuel has been inserted in the holder it may be ignited and the door returned to its position on the casing, where the fuel will continue to burn for several hours and create heat which will be passed to the intake manifold.

To remove the door entirely from the casing it must be swung to the position shown in Fig. 4 and then lifted upwardly to disengage the tongue 20 from the slot 21 in the bottom 4.

It Will be understood that various changes may be resorted to in the form, construction and arrangement of the several parts, Without departing from the spirit and scope of my invention; and hence I do not intend to be limited to the specific details herein shown and described, except as they may be included in the claims.

What I claim is 1. Anintake manifold heater comprising, a casing secured thereto, and a dry fuel holder removably secured to the said casing.

the manifold, a door having means engaging the casing for locking it thereon, and a dry fuel holder carried by said door.

5. An intake manifold heater comprising, a casing, means for securing said casing to the manifold, a door arranged to swing on the casing, and a' dry fuel holder carried by said door.

6. An intake manifold heater comprising, a casing, means for securing said casing to the manifold, a door arranged to swing on the casing and having means engaging the casing for looking it thereto, and a dry fuel holder carried by said door.

7. An intake manifold heater comprising, a casing, means for securing said casing to the manifold, a removable door arranged to swing on the casing and having means engaging the casing for looking it thereto, and a dry fuel holder carried by said door.

In testimony that I claim the foregoing as my invention, I have signed my name this 24th day of July 1919.

GEORGE H. FRITZSGHE. 

